Science > Physiology | Skin Inc.

Skin contains cells that maintain the link between the internal and external.

The Skin and Gut Connection

The skin, the body’s largest and most visible organ, is a fascinating entity—a living tapestry that not only reflects our external environment but also demonstrates the intricate functions within.

Avalon Rose Botanicals' Lumina Revitalize Skincare Kit is easy to mix and apply, and provides a wand for gentle acupressure massage.

The Skin Barrier: Ceramide-Infused Moisturizers, Niacinamide and Skinimalism

Understanding stressed skin patterns can allow you to treat clients in a more personalized manner.

Skin-Stress and Functional Cosmetics

Collagen and elastin are crucial for overall skin health and wound healing, which can be important when it comes to treating acne.

4 Acne Trends in 2025

Gone are the days of throwing our strongest, most abrasive topicals at our lesions in an attempt to flatten blemishes and dispel discoloration.

It's important to be cognizant of what ingredients work better with darker skin tones. Azelaic acid, for example, is a great anti-inflammatory and is effective for treating acne, rosacea and pigmentation.

Mastering Melanin-Rich Skin: A Professional Guide to Treating Skin of Color with Confidence and Care

As an award-winning master educator, licensed esthetician and business mentor with over 15 years in the industry, one of the most overlooked topics I continue to see in both classrooms and treatment rooms is a deep, evidence-based understanding of skin of color.

Protect Your Results this Summer with DMK Skin Revision

Protect Your Results this Summer with DMK Skin Revision

Learn about DMK’s offerings to keep skin happy, healthy, and safe from the harsh UV exposure this summer. Protect treatment results and glow all day long.

Prior to treating PIH with exfoliation or brightening treatments, it's important that foundational habits, like broad SPF protection, are established.

Brightening Smart: Hyperpigmentation in Diverse Skin

Post-inflammatory hyperpigmentation (PIH) and post-inflammatory erythema (PIE) are two of the most common types of discoloration seen in professional skin care—but they’re often used interchangeably or mistakenly lumped together under the blanket term “scarring.”

Peppermint can provide clients relief from hot flashes due to its cooling sensation.

Menopause and Wellness: A Holistic Approach for Spa Professionals

Women comprise 70% of spa and wellness consumers.

Prioritizing gut health in your 30s is crucial, as that's when your metabolism starts slowing down and good gut health can reduce the risk of inflammation, irritation and breakouts.

Eat Smart, Age Well: Tailored Nutrition for Every Decade

Nutrition plays a crucial role in maintaining health and well-being throughout our lives.

Treatments like dermabrasion and IPL may increase TEWL because they remove the stratum corneum.

Master Integration: Exploring the Interface of the Skin Barrier, Lipids and the Microbiome

Maintaining the integrity of the skin barrier and exploring the skin’s microbiome are two of today's most popular trending topics.

Killing bacteria and stripping oil is just one piece of the larger acne narrative.

The Acne Myth That's Been Sabotaging Your Treatments for Decades

Why everything you learned about how acne develops is backwards—and how knowing the truth changes everything.

There's no such thing as learning too much when it comes to chemical peels or acne. Get access to Rhonda Allison's 10-part educational series.

Peels and Your Acne-Prone Clients

Chemical peels are well-established in the industry to be effective in managing a variety of skin conditions.

Purchasing wholesale can let you address your clients' leaky skin in a budget-friendly manner.

Is Leaky Skin Poking Holes in Your Treatment Plans?

Make your spa the part of your client's skin care routine they can't live without.

Managing acne requires treating the individual causes, rather than just the symptoms.

Demystifying Acne Through Holistic Skin Care

While traditional topical treatments may improve the appearance of acne lesions, they don't necessarily prepare the body to fight future breakouts.